[core] Add enabled vars for dashboard and swagger

.env.example

@@ -19,12 +19,14 @@ WAHA_BASE_URL=http://localhost:3000
 # ====================
 # "sha512:{SHA}" format - below is "admin" api key
 WAHA_API_KEY=sha512:c7ad44cbad762a5da0a452f9e854fdc1e0e7a52a38015f23f3eab1d80b931dd472634dfac71cd34ebc35d16ab7fb8a90c81f975113d6c7538dc69dd8de9077ec
+WAHA_DASHBOARD_ENABLED=True
 WAHA_DASHBOARD_USERNAME=admin
 WAHA_DASHBOARD_PASSWORD=admin
+WHATSAPP_SWAGGER_ENABLED=True
 WHATSAPP_SWAGGER_USERNAME=admin
 WHATSAPP_SWAGGER_PASSWORD=admin
 
-# WhatsApp engine (WEBJS is default, NOWEB for better performance)
+# WhatsApp engine (WEBJS is default, GOWS or NOWEB for better performance)
 WHATSAPP_DEFAULT_ENGINE=WEBJS
 
 # ===================